<?php

$output = $title = $interval = $el_class = '';

extract(shortcode_atts(array(

    'title' => '',

    'interval' => 0,

    'el_class' => ''

), $atts));





$el_class = $this->getExtraClass($el_class);



$element = 'wpb_tabs';

if ( 'vc_tour' == $this->shortcode) $element = 'wpb_tour';



// Extract tab titles

preg_match_all( '/tab title="([^\"]+)"(\sid\=\"([^\"]+)\"){0,1}/i', $content, $matches, PREG_OFFSET_CAPTURE );

$tab_titles = array();



/**

 * vc_tabs

 *

 */

if ( isset($matches[0]) ) { $tab_titles = $matches[0]; }

$tabs_nav = '';

$tabs_nav .= '<ul class="wpb_tabs_nav ui-tabs-nav clearfix">';

foreach ( $tab_titles as $tab ) {

    preg_match('/title="([^\"]+)"(\sid\=\"([^\"]+)\"){0,1}/i', $tab[0], $tab_matches, PREG_OFFSET_CAPTURE );

    if(isset($tab_matches[1][0])) {

        $tabs_nav .= '<li><a href="#tab-'. (isset($tab_matches[3][0]) ? $tab_matches[3][0] : sanitize_title( $tab_matches[1][0] ) ) .'">' . $tab_matches[1][0] . '</a></li>';



    }

}

$tabs_nav .= '</ul>'."\n";



$css_class =  apply_filters(VC_SHORTCODE_CUSTOM_CSS_FILTER_TAG, trim('wpb_content_element '.$el_class), $this->settings['base']);



$output .= "\n\t".'<div class="'.$css_class.'" data-interval="'.$interval.'">';

$output .= "\n\t\t".'<div class="wpb_wrapper tabbed clearfix">';

$output .= wpb_widget_title(array('title' => $title, 'extraclass' => $element.'_heading'));

$output .= "\n\t\t\t".$tabs_nav;

$output .= "\n\t\t\t".wpb_js_remove_wpautop($content);

if ( 'vc_tour' == $this->shortcode) {

    $output .= "\n\t\t\t" . '<div class="wpb_tour_next_prev_nav clearfix"> <span class="wpb_prev_slide"><a href="#prev" title="'.__('Previous slide', 'js_composer').'">'.__('Previous slide', 'js_composer').'</a></span> <span class="wpb_next_slide"><a href="#next" title="'.__('Next slide', 'js_composer').'">'.__('Next slide', 'js_composer').'</a></span></div>';

}

$output .= "\n\t\t".'</div> '.$this->endBlockComment('.wpb_wrapper');

$output .= "\n\t".'</div> '.$this->endBlockComment($element);



echo $output;